Robin, IMHO, I wouldn't go near those computer guys if that is there understanding of this problem! Have your tried a VGA adaptor and an external monitor? If it is happy on the external monitor, then you know it is the video backlight cable problem. Just a thought Cheers H from NZ On 21/01/2007, at 7:52 PM, Robin Mayhall wrote: > Hi all, > > I have a dual USB white G3 iBook that is having display problems, > and I'm wondering if this is one of the symptoms of the motherboard > problem that has been discussed here before -- or something else. > > About two weeks ago I was just doing my thing when suddenly my > screen went funny -- wavy horizontal lines appeared on it, > everything froze, then it went black. I tried to reboot a couple of > times, and I could hear the hard drive spin and the machine boot > up, but the display remained black. In all my brilliance (not), I > decided that the display was messed up, and I took the laptop to my > local "computer guy" the next day. > >